Re: [exim] Matching RFC 2047 encoded text

> From: Ian Zimmerman

> > check_rfc2047_length = false
>
> Thanks, Lena.
>
> If I leave it as true (the default), and $h_subject: turns out to
> contain "=?UTF-8?B?", can I assume (not with certainty, but with a high
> likelihood) the message violates the RFC?

Yes, but filtering on that is fraught with false positives.